Patents by Inventor Marta Zezula

Marta Zezula has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • ACID ADDITION SALT OF PYRIMETHAMINE
    Publication number: 20220235012
    Abstract: Acid addition salt of pyrimethamine (5-4-chlorophenyl)-6-ethyl-2,4-pyrimidinediamine) and methane sulfonic acid, process for its preparation and pharmaceutical compositions comprising the acid addition salt are disclosed.
    Type: Application
    Filed: March 22, 2019
    Publication date: July 28, 2022
    Inventors: LUKAWSZ KACZMAREK, MARTA LASZCZ, GRZEGORZ HUSZCZA, MALGORZATA SKAZNIK, MARTA ZEZULA, ALEKSANDRA GROMAN, ELZBIETA STOLARCZYK, MAREK KUBISZEWSKI, KINGA TRZCINSKA, KRZYSZTOF KUZIAK
  • PROCESS FOR PREPARATION OF PROSTAGLANDIN F2 ALPHA ANALOGUES
    Publication number: 20150031898
    Abstract: A convergent synthesis of the prostaglandin F2? analogues, travoprost and bimatoprost, was developed employing Julia-Lythgoe olefination of the structurally advanced phenylsulfone with an enantiomerically pure aldehyde ?-chain synthon. The novel convergent strategy allows the synthesis of a whole series of prostaglandin analogues of high purity from a common and structurally advanced prostaglandin intermediate.
    Type: Application
    Filed: March 8, 2013
    Publication date: January 29, 2015
    Applicant: INSTYTUT FARMACEUTYCZNY
    Inventors: Iwona Dams, Andrzej Kutner, Michal Chodynski, Malgorzata Krupa, Anita Pietraszek, Marta Zezula, Piotr Cmoch, Monika Kosinska